PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are several new products that have been marketed as being natural because they are derived from plants such as soy or yam, but few are truly natural because they are not bioidentical.
http://www.w3.org/ns/prov#wasQuotedFrom
  • medhelp.org